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    Zener Diodes

    Zener diodes are a type of semiconductor device that has different characteristics from a normal diode. Zener diodes allow current to flow from its anode to its cathode in either a forward or reverse direction, but only when exposed to enough voltage.

    How does a Zener diode work?

    Zener diodes are designed to change the direction of the current flow once the voltage reaches a specific, defined voltage level. This also means that Zener diodes can operate continuously in a breakdown mode. The voltage level that changes the direction of flow is called Zener Voltage or Breakdown Voltage. It could be defined for specific diodes anywhere from 1.8 to 200 V.

    Types of Zener diodes

    Zener diodes are offered in an array of different configurations such as different levels of power dissipation, mount types, and different configurations.

    There are also different types of Zener diodes such as:

    • Avalanche
    • Bi-Directional
    • ESD Protection
    • General Purpose
    • Ultra-small

    Typical applications of Zener diodes?

    Zener diodes are used in all kinds of electronic equipment and are used to protect circuits from overvoltage and electrostatic discharge or for switching applications. They are one of the basic building blocks of electronic circuits. Zener diodes work reliably in the breakdown region, unlike normal diodes which would overheat. They are the most common and handiest solutions to a number of needs in a circuit design.

    5735 Products showing for Zener Diodes

    Nexperia
    Single
    9.1V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    5%
    2
    5mA
    15Ω
    500nA
    4.25 x 1.85 x 1.85mm
    onsemi
    Single
    5.6V
    Through Hole
    1
    500 mW
    DO-35
    General Purpose
    5%
    2
    20mA
    11 Ω @ 20 mA, 1600 Ω @ 0.25 mA
    5µA
    1.91 (Dia.) x 4.56mm
    Vishay
    Single
    800V
    Surface Mount
    -
    -
    DO-214AC
    Avalanche
    -
    2
    -
    -
    -
    -
    onsemi
    Single
    3.3V
    Through Hole
    1
    5 W
    DO-15
    Voltage Regulator
    5%
    2
    380mA
    300µA
    8.89 x 3.68 x 3.68mm
    Vishay
    Single
    17.1V
    SMD
    1
    500 mW
    SOD-80
    Small Signal
    5%
    2
    -
    -
    -
    -
    onsemi
    Single
    5.6V
    Through Hole
    1
    5 W
    DO-15
    Voltage Regulator
    5%
    2
    220mA
    1µA
    8.89 x 3.68 x 3.68mm
    Taiwan Semiconductor
    Single
    18V
    Through Hole
    1
    1 W
    DO-41
    Voltage Regulator
    5%
    2
    14mA
    20Ω
    5µA
    5.2 x 2.7 x 2.7mm
    Nexperia
    Single
    9.1V
    Through Hole
    1
    500 mW
    DO-35
    Voltage Regulator
    5%
    2
    5mA
    15Ω
    500nA
    4.25 x 1.85 x 1.85mm
    Nexperia
    Single
    12V
    Surface Mount
    1
    1 W
    UPAK
    Voltage Regulator
    5%
    4
    5mA
    25Ω
    100nA
    4.6 x 2.6 x 1.6mm
    DiodesZetex
    Common Cathode
    18V
    Surface Mount
    2
    300 mW
    SOT-23
    Voltage Regulator
    5%
    3
    5mA
    170Ω
    100nA
    3 x 1.4 x 1.1mm
    onsemi
    Single
    36V
    Through Hole
    1
    5 W
    DO-15
    Voltage Regulator
    5%
    2
    30mA
    11Ω
    500nA
    8.89 x 3.68 x 3.68mm
    Nexperia
    Single
    38V
    Through Hole
    1
    500 mW
    SOD27 (DO-35)
    Voltage Regulator
    ±2 %, ±5%
    2
    5mA
    300 Ω @ 1 mA
    -
    1.85 (Dia.) x 4.25mm
    onsemi
    Single
    9.1V
    Through Hole
    1
    1 W
    DO-41
    General Purpose
    5%
    2
    28mA
    10µA
    2.72 (Dia.) x 5.2mm
    onsemi
    Single
    5.1V
    Through Hole
    1
    5 W
    DO-15
    Voltage Regulator
    5%
    2
    240mA
    1.5Ω
    1µA
    8.89 x 3.68 x 3.68mm
    onsemi
    Single
    22V
    Surface Mount
    1
    500 mW
    SOD-123
    Voltage Regulator
    5%
    2
    5.6mA
    29Ω
    100nA
    2.84 x 1.8 x 1.25mm
    Nexperia
    Single
    6.8V
    Surface Mount
    1
    550 mW
    SOD-323F
    General Purpose
    ±5%
    2
    5mA
    -
    2µA
    1.8 x 1.35 x 0.8mm
    Nexperia
    Single
    5.1V
    Through Hole
    1
    500 mW
    SOD27 (DO-35)
    Voltage Regulator
    ±2 %, ±5%
    2
    5mA
    480 Ω @ 1 mA
    -
    1.85 (Dia.) x 4.25mm
    ROHM
    Single
    18V
    Surface Mount
    1
    1 W
    SOD-123FL
    Voltage Regulator
    -
    2
    -
    -
    -
    -
    ROHM
    Single
    47V
    Surface Mount
    1
    1 W
    DO-214AA (SMB)
    Voltage Regulator
    ±6.38%
    2
    -
    -
    -
    -
    Fagor Electronica
    Single
    120V
    Surface Mount
    1
    1 W
    SOD123W
    -
    0.06
    2
    5mA
    300Ω
    1µA
    2.8 x 1.9 x 0.93mm
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